Using absint() in WordPress
It convert a value to non-negative integer. Internally this function used abs( intval( $maybeint ) ). You can try below examples yourself. Examples Output var_dump absint( 0 ) 0 int(0) absint( ‘0’ ) 0 int(0) absint( 1 ) 1 int(1) absint( ‘8’ ) 8 int(8) absint( -27 ) 27 int(27) absint( ‘-8’ ) 8 int(8) absint(